From: Richard Henderson <[email protected]> During the conversion to decodetree, the setting of ISSIs16Bit got lost. This causes the guest os to incorrectly adjust trapping memory operations.
Cc: [email protected] Fixes: 46beb58efbb8a2a32 ("target/arm: Convert T16, load (literal)") Reported-by: Jeff Kubascik <[email protected]> Signed-off-by: Richard Henderson <[email protected]> Message-id: [email protected] Reviewed-by: Peter Maydell <[email protected]> Signed-off-by: Peter Maydell <[email protected]> --- target/arm/translate.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/arm/translate.c b/target/arm/translate.c index 0c8624fb42e..2f4aea927f1 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -8556,6 +8556,9 @@ static ISSInfo make_issinfo(DisasContext *s, int rd, bool p, bool w) /* ISS not valid if writeback */ if (p && !w) { ret = rd; + if (s->base.pc_next - s->pc_curr == 2) { + ret |= ISSIs16Bit; + } } else { ret = ISSInvalid; } -- 2.20.1
